| Non-Instantaneous Impulses in Differential Equations R Agarwal, S Hristova, D O’Regan | 175 | 2017 |
| Differential equations with maxima DD Bainov, SG Hristova Crc Press, 2011 | 159 | 2011 |
| A survey of Lyapunov functions, stability and impulsive Caputo fractional differential equations R Agarwal, S Hristova, D O’Regan Fractional Calculus and Applied Analysis 19 (2), 290-318, 2016 | 143 | 2016 |
| Stability of Caputo fractional differential equations by Lyapunov functions R Agarwal, D O’Regan, S Hristova Applications of Mathematics 60, 653-676, 2015 | 134 | 2015 |
| Non-instantaneous impulses in Caputo fractional differential equations R Agarwal, S Hristova, D O’Regan Fractional Calculus and Applied Analysis 20 (3), 595-622, 2017 | 71 | 2017 |
| Stability by Lyapunov like functions of nonlinear differential equations with non-instantaneous impulses R Agarwal, D O’regan, S Hristova Journal of Applied Mathematics and Computing 53, 147-168, 2017 | 69 | 2017 |
| Monotone-iterative techniques of V. Lakshmikantham for a boundary value problem for systems of impulsive differential-difference equations SG Hristova, DD Bainov Journal of mathematical analysis and applications 197 (1), 1-13, 1996 | 67 | 1996 |
| Stability of solutions to impulsive Caputo fractional differential equations RP Agarwal, S Hristova, D O'Regan Texas State University, Department of Mathematics, 2016 | 49* | 2016 |
| Monotone iterative technique for the initial value problem for differential equations with non-instantaneous impulses R Agarwal, D O'Regan, S Hristova Applied Mathematics and Computation 298, 45-56, 2017 | 48 | 2017 |
| Practical stability with respect to initial time difference for Caputo fractional differential equations R Agarwal, D O’Regan, S Hristova, M Cicek Communications in Nonlinear Science and Numerical Simulation 42, 106-120, 2017 | 48 | 2017 |
| Lyapunov functions and strict stability of Caputo fractional differential equations R Agarwal, S Hristova, D O’Regan Advances in Difference Equations 2015, 1-20, 2015 | 47 | 2015 |
| Periodic boundary value problems for systems of first order impulsive differential equations DD Baĭnov, SG Hristova, SC Hu, V Lakshmikantham | 45 | 1989 |
| Stability of nonlinear Volterra integro-differential equations with Caputo fractional derivative and bounded delays S Hristova, C Tunc Texas State University, Department of Mathematics, 2019 | 43 | 2019 |
| Noninstantaneous impulses in Caputo fractional differential equations and practical stability via Lyapunov functions R Agarwal, S Hristova, D O’Regan Journal of the Franklin Institute 354 (7), 3097-3119, 2017 | 42 | 2017 |
| Exponential stability for differential equations with random impulses at random times R Agarwal, S Hristova, D O’Regan Advances in Difference Equations 2013, 1-12, 2013 | 41 | 2013 |
| Qualitative investigations and approximate methods for impulsive equations SG Hristova Nova Science Publishers, 2009 | 36 | 2009 |
| Integral stability in terms of two measures for impulsive functional differential equations SG Hristova Mathematical and Computer Modelling 51 (1-2), 100-108, 2010 | 34 | 2010 |
| Boundary value problems of Hadamard fractional differential equations of variable order S Hristova, A Benkerrouche, MS Souid, A Hakem Symmetry 13 (5), 896, 2021 | 32 | 2021 |
| An algorithm for approximate solving of differential equations with “maxima” A Golev, S Hristova, A Rahnev Computers & Mathematics with Applications 60 (10), 2771-2778, 2010 | 32 | 2010 |
| Health care systems in transition: Bulgaria S Koulaksazov, S Todorova, E Tragakes, S Hristova, ... | 32 | 2003 |
Kremena StefanovaUniversity of Plovdiv Paisii HilendarskiE-mail confirmado em uni-plovdiv.bg